mirror of
https://gitlab.com/ryandwyer/perfect-dark
synced 2026-08-09 02:26:10 -04:00
Decompile _Ldtob
This commit is contained in:
Ryan Dwyer
+137
-365
@@ -5,26 +5,7 @@
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short _Ldunscale(short *pex, printf_struct *px);
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void _Genld(printf_struct *px, char code, char *p, short nsig, short xexp);
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const u32 var700524d0[] = {0x40240000};
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const u32 var700524d4[] = {0x00000000};
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const u32 var700524d8[] = {0x40590000};
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const u32 var700524dc[] = {0x00000000};
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const u32 var700524e0[] = {0x40c38800};
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const u32 var700524e4[] = {0x00000000};
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const u32 var700524e8[] = {0x4197d784};
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const u32 var700524ec[] = {0x00000000};
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const u32 var700524f0[] = {0x4341c379};
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const u32 var700524f4[] = {0x37e08000};
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const u32 var700524f8[] = {0x4693b8b5};
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const u32 var700524fc[] = {0xb5056e17};
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const u32 var70052500[] = {0x4d384f03};
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const u32 var70052504[] = {0xe93ff9f5};
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const u32 var70052508[] = {0x5a827748};
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const u32 var7005250c[] = {0xf9301d32};
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const u32 var70052510[] = {0x75154fdd};
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const u32 var70052514[] = {0x7f73bf3c};
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const u32 var70052518[] = {0x4e614e00};
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const u32 var7005251c[] = {0x496e6600};
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const double pows[] = {10e0L, 10e1L, 10e3L, 10e7L, 10e15L, 10e31L, 10e63L, 10e127L, 10e255L};
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/* float properties */
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#define _D0 0
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@@ -50,350 +31,145 @@ const u32 var7005251c[] = {0x496e6600};
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#define _DMAX ((1 << (15 - _DOFF)) - 1)
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#define _DNAN (0x8000 | _DMAX << _DOFF | 1 << (_DOFF - 1))
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#define _DSIGN 0x8000
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#define _D1 1 /* big-endian order */
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#define _D1 1
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#define _D2 2
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#define _D3 3
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GLOBAL_ASM(
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glabel _Ldtob
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/* 4c50: 27bdff20 */ addiu $sp,$sp,-224
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/* 4c54: 44802000 */ mtc1 $zero,$f4
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/* 4c58: afbf0044 */ sw $ra,0x44($sp)
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/* 4c5c: afb50040 */ sw $s5,0x40($sp)
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/* 4c60: afb4003c */ sw $s4,0x3c($sp)
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/* 4c64: afb30038 */ sw $s3,0x38($sp)
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/* 4c68: afb20034 */ sw $s2,0x34($sp)
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/* 4c6c: afb10030 */ sw $s1,0x30($sp)
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/* 4c70: afb0002c */ sw $s0,0x2c($sp)
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/* 4c74: f7b60020 */ sdc1 $f22,0x20($sp)
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/* 4c78: f7b40018 */ sdc1 $f20,0x18($sp)
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/* 4c7c: afa500e4 */ sw $a1,0xe4($sp)
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/* 4c80: 8c820024 */ lw $v0,0x24($a0)
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/* 4c84: 460020a1 */ cvt.d.s $f2,$f4
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/* 4c88: 00803025 */ or $a2,$a0,$zero
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/* 4c8c: 27b200c0 */ addiu $s2,$sp,0xc0
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/* 4c90: d4940000 */ ldc1 $f20,0x0($a0)
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/* 4c94: 04410004 */ bgez $v0,.L00004ca8
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/* 4c98: 46201586 */ mov.d $f22,$f2
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/* 4c9c: 240e0006 */ addiu $t6,$zero,0x6
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/* 4ca0: 1000000a */ b .L00004ccc
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/* 4ca4: ac8e0024 */ sw $t6,0x24($a0)
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.L00004ca8:
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/* 4ca8: 14400008 */ bnez $v0,.L00004ccc
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/* 4cac: 93af00e7 */ lbu $t7,0xe7($sp)
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/* 4cb0: 24010067 */ addiu $at,$zero,0x67
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/* 4cb4: 11e10003 */ beq $t7,$at,.L00004cc4
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/* 4cb8: afaf004c */ sw $t7,0x4c($sp)
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/* 4cbc: 24010047 */ addiu $at,$zero,0x47
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/* 4cc0: 15e10002 */ bne $t7,$at,.L00004ccc
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.L00004cc4:
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/* 4cc4: 24180001 */ addiu $t8,$zero,0x1
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/* 4cc8: acd80024 */ sw $t8,0x24($a2)
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.L00004ccc:
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/* 4ccc: 27a40096 */ addiu $a0,$sp,0x96
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/* 4cd0: 00c02825 */ or $a1,$a2,$zero
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/* 4cd4: afa600e0 */ sw $a2,0xe0($sp)
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/* 4cd8: 0c00143b */ jal _Ldunscale
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/* 4cdc: f7a20050 */ sdc1 $f2,0x50($sp)
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/* 4ce0: 18400010 */ blez $v0,.L00004d24
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/* 4ce4: d7a20050 */ ldc1 $f2,0x50($sp)
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/* 4ce8: 24010002 */ addiu $at,$zero,0x2
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/* 4cec: 14410004 */ bne $v0,$at,.L00004d00
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/* 4cf0: 3c057005 */ lui $a1,%hi(var7005251c)
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/* 4cf4: 3c057005 */ lui $a1,%hi(var70052518)
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/* 4cf8: 10000002 */ b .L00004d04
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/* 4cfc: 24a52518 */ addiu $a1,$a1,%lo(var70052518)
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.L00004d00:
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/* 4d00: 24a5251c */ addiu $a1,$a1,%lo(var7005251c)
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.L00004d04:
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/* 4d04: 8fa200e0 */ lw $v0,0xe0($sp)
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/* 4d08: 24190003 */ addiu $t9,$zero,0x3
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/* 4d0c: 24060003 */ addiu $a2,$zero,0x3
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/* 4d10: ac590014 */ sw $t9,0x14($v0)
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/* 4d14: 0c012978 */ jal memcpy
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/* 4d18: 8c440008 */ lw $a0,0x8($v0)
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/* 4d1c: 100000e9 */ b .L000050c4
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/* 4d20: 8fbf0044 */ lw $ra,0x44($sp)
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.L00004d24:
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/* 4d24: 14400003 */ bnez $v0,.L00004d34
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/* 4d28: 00003825 */ or $a3,$zero,$zero
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/* 4d2c: 100000de */ b .L000050a8
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/* 4d30: a7a00096 */ sh $zero,0x96($sp)
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.L00004d34:
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/* 4d34: 4622a03c */ c.lt.d $f20,$f2
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/* 4d38: 93a800e7 */ lbu $t0,0xe7($sp)
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/* 4d3c: 87a90096 */ lh $t1,0x96($sp)
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/* 4d40: 24017597 */ addiu $at,$zero,0x7597
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/* 4d44: 45000002 */ bc1f .L00004d50
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/* 4d48: afa8004c */ sw $t0,0x4c($sp)
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/* 4d4c: 4620a507 */ neg.d $f20,$f20
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.L00004d50:
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/* 4d50: 01210019 */ multu $t1,$at
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/* 4d54: 3c010001 */ lui $at,0x1
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/* 4d58: 342186a0 */ ori $at,$at,0x86a0
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/* 4d5c: 240f0003 */ addiu $t7,$zero,0x3
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/* 4d60: 00001825 */ or $v1,$zero,$zero
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/* 4d64: 24050006 */ addiu $a1,$zero,0x6
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/* 4d68: 27b200c1 */ addiu $s2,$sp,0xc1
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/* 4d6c: 00005012 */ mflo $t2
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/* 4d70: 00000000 */ nop
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/* 4d74: 00000000 */ nop
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/* 4d78: 0141001a */ div $zero,$t2,$at
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/* 4d7c: 00005812 */ mflo $t3
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/* 4d80: 256cfffc */ addiu $t4,$t3,-4
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/* 4d84: 000c6c00 */ sll $t5,$t4,0x10
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/* 4d88: 000d7403 */ sra $t6,$t5,0x10
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/* 4d8c: 05c10018 */ bgez $t6,.L00004df0
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/* 4d90: a7ac0096 */ sh $t4,0x96($sp)
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/* 4d94: 000cc400 */ sll $t8,$t4,0x10
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/* 4d98: 0018cc03 */ sra $t9,$t8,0x10
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/* 4d9c: 01f92023 */ subu $a0,$t7,$t9
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/* 4da0: 2401fffc */ addiu $at,$zero,-4
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/* 4da4: 00811024 */ and $v0,$a0,$at
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/* 4da8: 00024823 */ negu $t1,$v0
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/* 4dac: 1840002c */ blez $v0,.L00004e60
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/* 4db0: a7a90096 */ sh $t1,0x96($sp)
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/* 4db4: 3c047005 */ lui $a0,%hi(var700524d0)
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/* 4db8: 248424d0 */ addiu $a0,$a0,%lo(var700524d0)
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.L00004dbc:
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/* 4dbc: 304a0001 */ andi $t2,$v0,0x1
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/* 4dc0: 11400006 */ beqz $t2,.L00004ddc
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/* 4dc4: 00027043 */ sra $t6,$v0,0x1
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/* 4dc8: 000358c0 */ sll $t3,$v1,0x3
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/* 4dcc: 008b6821 */ addu $t5,$a0,$t3
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/* 4dd0: d5a60000 */ ldc1 $f6,0x0($t5)
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/* 4dd4: 4626a502 */ mul.d $f20,$f20,$f6
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/* 4dd8: 00000000 */ nop
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.L00004ddc:
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/* 4ddc: 01c01025 */ or $v0,$t6,$zero
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/* 4de0: 1dc0fff6 */ bgtz $t6,.L00004dbc
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/* 4de4: 24630001 */ addiu $v1,$v1,0x1
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/* 4de8: 1000001e */ b .L00004e64
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/* 4dec: 8fae004c */ lw $t6,0x4c($sp)
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.L00004df0:
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/* 4df0: 87ac0096 */ lh $t4,0x96($sp)
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/* 4df4: 3c013f80 */ lui $at,0x3f80
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/* 4df8: 00001825 */ or $v1,$zero,$zero
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/* 4dfc: 19800018 */ blez $t4,.L00004e60
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/* 4e00: 3198fffc */ andi $t8,$t4,0xfffc
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/* 4e04: 44814000 */ mtc1 $at,$f8
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/* 4e08: 00181400 */ sll $v0,$t8,0x10
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/* 4e0c: 0018cc00 */ sll $t9,$t8,0x10
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/* 4e10: 00194403 */ sra $t0,$t9,0x10
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/* 4e14: 00027c03 */ sra $t7,$v0,0x10
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/* 4e18: a7b80096 */ sh $t8,0x96($sp)
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/* 4e1c: 01e01025 */ or $v0,$t7,$zero
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/* 4e20: 1900000e */ blez $t0,.L00004e5c
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/* 4e24: 46004021 */ cvt.d.s $f0,$f8
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/* 4e28: 3c047005 */ lui $a0,%hi(var700524d0)
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/* 4e2c: 248424d0 */ addiu $a0,$a0,%lo(var700524d0)
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.L00004e30:
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/* 4e30: 30490001 */ andi $t1,$v0,0x1
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/* 4e34: 11200006 */ beqz $t1,.L00004e50
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/* 4e38: 00026843 */ sra $t5,$v0,0x1
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/* 4e3c: 000350c0 */ sll $t2,$v1,0x3
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/* 4e40: 008a5821 */ addu $t3,$a0,$t2
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/* 4e44: d56a0000 */ ldc1 $f10,0x0($t3)
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/* 4e48: 462a0002 */ mul.d $f0,$f0,$f10
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/* 4e4c: 00000000 */ nop
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.L00004e50:
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/* 4e50: 01a01025 */ or $v0,$t5,$zero
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/* 4e54: 1da0fff6 */ bgtz $t5,.L00004e30
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/* 4e58: 24630001 */ addiu $v1,$v1,0x1
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.L00004e5c:
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/* 4e5c: 4620a503 */ div.d $f20,$f20,$f0
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.L00004e60:
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/* 4e60: 8fae004c */ lw $t6,0x4c($sp)
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.L00004e64:
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/* 4e64: 24010066 */ addiu $at,$zero,0x66
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/* 4e68: 8fac00e0 */ lw $t4,0xe0($sp)
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/* 4e6c: 15c10004 */ bne $t6,$at,.L00004e80
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/* 4e70: 24180030 */ addiu $t8,$zero,0x30
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/* 4e74: 87a50096 */ lh $a1,0x96($sp)
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/* 4e78: 10000001 */ b .L00004e80
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/* 4e7c: 24a5000a */ addiu $a1,$a1,0xa
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.L00004e80:
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/* 4e80: 8d8f0024 */ lw $t7,0x24($t4)
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/* 4e84: 00afa821 */ addu $s5,$a1,$t7
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/* 4e88: 2aa10014 */ slti $at,$s5,0x14
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/* 4e8c: 14200002 */ bnez $at,.L00004e98
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/* 4e90: 00000000 */ nop
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/* 4e94: 24150013 */ addiu $s5,$zero,0x13
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.L00004e98:
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/* 4e98: 1aa00031 */ blez $s5,.L00004f60
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/* 4e9c: a3b800c0 */ sb $t8,0xc0($sp)
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/* 4ea0: 4634103c */ c.lt.d $f2,$f20
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/* 4ea4: 24140030 */ addiu $s4,$zero,0x30
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/* 4ea8: 27b3006c */ addiu $s3,$sp,0x6c
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/* 4eac: 4502002d */ bc1fl .L00004f64
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/* 4eb0: 87ad0096 */ lh $t5,0x96($sp)
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/* 4eb4: 4620a40d */ trunc.w.d $f16,$f20
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.L00004eb8:
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/* 4eb8: 26b5fff8 */ addiu $s5,$s5,-8
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/* 4ebc: 26520008 */ addiu $s2,$s2,0x8
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/* 4ec0: 44118000 */ mfc1 $s1,$f16
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/* 4ec4: 1aa00008 */ blez $s5,.L00004ee8
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/* 4ec8: 00000000 */ nop
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/* 4ecc: 44919000 */ mtc1 $s1,$f18
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/* 4ed0: 3c017005 */ lui $at,%hi(var70052528)
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/* 4ed4: d4282528 */ ldc1 $f8,%lo(var70052528)($at)
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/* 4ed8: 46809121 */ cvt.d.w $f4,$f18
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/* 4edc: 4624a181 */ sub.d $f6,$f20,$f4
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/* 4ee0: 46283502 */ mul.d $f20,$f6,$f8
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/* 4ee4: 00000000 */ nop
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.L00004ee8:
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/* 4ee8: 1a200011 */ blez $s1,.L00004f30
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/* 4eec: 24100008 */ addiu $s0,$zero,0x8
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/* 4ef0: 24100007 */ addiu $s0,$zero,0x7
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/* 4ef4: 0600000e */ bltz $s0,.L00004f30
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/* 4ef8: 02602025 */ or $a0,$s3,$zero
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.L00004efc:
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/* 4efc: 02202825 */ or $a1,$s1,$zero
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/* 4f00: 0c0129e0 */ jal ldiv
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/* 4f04: 2406000a */ addiu $a2,$zero,0xa
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/* 4f08: 8fa80070 */ lw $t0,0x70($sp)
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/* 4f0c: 2652ffff */ addiu $s2,$s2,-1
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/* 4f10: 25090030 */ addiu $t1,$t0,0x30
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/* 4f14: a2490000 */ sb $t1,0x0($s2)
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/* 4f18: 8fb1006c */ lw $s1,0x6c($sp)
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/* 4f1c: 5a200005 */ blezl $s1,.L00004f34
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/* 4f20: 2610ffff */ addiu $s0,$s0,-1
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/* 4f24: 2610ffff */ addiu $s0,$s0,-1
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/* 4f28: 0603fff4 */ bgezl $s0,.L00004efc
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/* 4f2c: 02602025 */ or $a0,$s3,$zero
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.L00004f30:
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/* 4f30: 2610ffff */ addiu $s0,$s0,-1
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.L00004f34:
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/* 4f34: 06000004 */ bltz $s0,.L00004f48
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.L00004f38:
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/* 4f38: 2610ffff */ addiu $s0,$s0,-1
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/* 4f3c: 2652ffff */ addiu $s2,$s2,-1
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/* 4f40: 0601fffd */ bgez $s0,.L00004f38
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/* 4f44: a2540000 */ sb $s4,0x0($s2)
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.L00004f48:
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/* 4f48: 1aa00005 */ blez $s5,.L00004f60
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/* 4f4c: 26520008 */ addiu $s2,$s2,0x8
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/* 4f50: 4634b03c */ c.lt.d $f22,$f20
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/* 4f54: 00000000 */ nop
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/* 4f58: 4503ffd7 */ bc1tl .L00004eb8
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/* 4f5c: 4620a40d */ trunc.w.d $f16,$f20
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.L00004f60:
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/* 4f60: 87ad0096 */ lh $t5,0x96($sp)
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.L00004f64:
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/* 4f64: 93ac00c1 */ lbu $t4,0xc1($sp)
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/* 4f68: 27ab00c0 */ addiu $t3,$sp,0xc0
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/* 4f6c: 24020030 */ addiu $v0,$zero,0x30
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/* 4f70: 024ba823 */ subu $s5,$s2,$t3
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/* 4f74: 25ae0007 */ addiu $t6,$t5,0x7
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/* 4f78: 26b5ffff */ addiu $s5,$s5,-1
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/* 4f7c: a7ae0096 */ sh $t6,0x96($sp)
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/* 4f80: 144c0009 */ bne $v0,$t4,.L00004fa8
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/* 4f84: 27b200c1 */ addiu $s2,$sp,0xc1
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/* 4f88: 87af0096 */ lh $t7,0x96($sp)
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.L00004f8c:
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/* 4f8c: 26520001 */ addiu $s2,$s2,0x1
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/* 4f90: 26b5ffff */ addiu $s5,$s5,-1
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||||
/* 4f94: 25f8ffff */ addiu $t8,$t7,-1
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||||
/* 4f98: a7b80096 */ sh $t8,0x96($sp)
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/* 4f9c: 92590000 */ lbu $t9,0x0($s2)
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/* 4fa0: 5059fffa */ beql $v0,$t9,.L00004f8c
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/* 4fa4: 87af0096 */ lh $t7,0x96($sp)
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.L00004fa8:
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/* 4fa8: 8fa8004c */ lw $t0,0x4c($sp)
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/* 4fac: 24010066 */ addiu $at,$zero,0x66
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/* 4fb0: 8faa00e0 */ lw $t2,0xe0($sp)
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/* 4fb4: 15010004 */ bne $t0,$at,.L00004fc8
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/* 4fb8: 8fa9004c */ lw $t1,0x4c($sp)
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/* 4fbc: 87a50096 */ lh $a1,0x96($sp)
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||||
/* 4fc0: 10000009 */ b .L00004fe8
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||||
/* 4fc4: 24a50001 */ addiu $a1,$a1,0x1
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||||
.L00004fc8:
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/* 4fc8: 24010065 */ addiu $at,$zero,0x65
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||||
/* 4fcc: 11210003 */ beq $t1,$at,.L00004fdc
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||||
/* 4fd0: 24010045 */ addiu $at,$zero,0x45
|
||||
/* 4fd4: 15210003 */ bne $t1,$at,.L00004fe4
|
||||
/* 4fd8: 00001025 */ or $v0,$zero,$zero
|
||||
.L00004fdc:
|
||||
/* 4fdc: 10000001 */ b .L00004fe4
|
||||
/* 4fe0: 24020001 */ addiu $v0,$zero,0x1
|
||||
.L00004fe4:
|
||||
/* 4fe4: 00402825 */ or $a1,$v0,$zero
|
||||
.L00004fe8:
|
||||
/* 4fe8: 8d4b0024 */ lw $t3,0x24($t2)
|
||||
/* 4fec: 00ab3821 */ addu $a3,$a1,$t3
|
||||
/* 4ff0: 00076c00 */ sll $t5,$a3,0x10
|
||||
/* 4ff4: 000d3c03 */ sra $a3,$t5,0x10
|
||||
/* 4ff8: 02a7082a */ slt $at,$s5,$a3
|
||||
/* 4ffc: 10200004 */ beqz $at,.L00005010
|
||||
/* 5000: 00000000 */ nop
|
||||
/* 5004: 00153c00 */ sll $a3,$s5,0x10
|
||||
/* 5008: 00076403 */ sra $t4,$a3,0x10
|
||||
/* 500c: 01803825 */ or $a3,$t4,$zero
|
||||
.L00005010:
|
||||
/* 5010: 18e00025 */ blez $a3,.L000050a8
|
||||
/* 5014: 00f5082a */ slt $at,$a3,$s5
|
||||
/* 5018: 10200007 */ beqz $at,.L00005038
|
||||
/* 501c: 00f21021 */ addu $v0,$a3,$s2
|
||||
/* 5020: 904f0000 */ lbu $t7,0x0($v0)
|
||||
/* 5024: 29e10035 */ slti $at,$t7,0x35
|
||||
/* 5028: 54200004 */ bnezl $at,.L0000503c
|
||||
/* 502c: 24050030 */ addiu $a1,$zero,0x30
|
||||
/* 5030: 10000003 */ b .L00005040
|
||||
/* 5034: 24050039 */ addiu $a1,$zero,0x39
|
||||
.L00005038:
|
||||
/* 5038: 24050030 */ addiu $a1,$zero,0x30
|
||||
.L0000503c:
|
||||
/* 503c: 00f21021 */ addu $v0,$a3,$s2
|
||||
.L00005040:
|
||||
/* 5040: 9058ffff */ lbu $t8,-0x1($v0)
|
||||
/* 5044: 24e3ffff */ addiu $v1,$a3,-1
|
||||
/* 5048: 00a02025 */ or $a0,$a1,$zero
|
||||
/* 504c: 14b80009 */ bne $a1,$t8,.L00005074
|
||||
/* 5050: 24010039 */ addiu $at,$zero,0x39
|
||||
/* 5054: 00721021 */ addu $v0,$v1,$s2
|
||||
.L00005058:
|
||||
/* 5058: 9049ffff */ lbu $t1,-0x1($v0)
|
||||
/* 505c: 24e7ffff */ addiu $a3,$a3,-1
|
||||
/* 5060: 0007cc00 */ sll $t9,$a3,0x10
|
||||
/* 5064: 2463ffff */ addiu $v1,$v1,-1
|
||||
/* 5068: 2442ffff */ addiu $v0,$v0,-1
|
||||
/* 506c: 1089fffa */ beq $a0,$t1,.L00005058
|
||||
/* 5070: 00193c03 */ sra $a3,$t9,0x10
|
||||
.L00005074:
|
||||
/* 5074: 14810004 */ bne $a0,$at,.L00005088
|
||||
/* 5078: 02431021 */ addu $v0,$s2,$v1
|
||||
/* 507c: 904a0000 */ lbu $t2,0x0($v0)
|
||||
/* 5080: 254b0001 */ addiu $t3,$t2,0x1
|
||||
/* 5084: a04b0000 */ sb $t3,0x0($v0)
|
||||
.L00005088:
|
||||
/* 5088: 04610007 */ bgez $v1,.L000050a8
|
||||
/* 508c: 87ac0096 */ lh $t4,0x96($sp)
|
||||
/* 5090: 24e70001 */ addiu $a3,$a3,0x1
|
||||
/* 5094: 00076c00 */ sll $t5,$a3,0x10
|
||||
/* 5098: 258f0001 */ addiu $t7,$t4,0x1
|
||||
/* 509c: a7af0096 */ sh $t7,0x96($sp)
|
||||
/* 50a0: 000d3c03 */ sra $a3,$t5,0x10
|
||||
/* 50a4: 2652ffff */ addiu $s2,$s2,-1
|
||||
.L000050a8:
|
||||
/* 50a8: 87b80096 */ lh $t8,0x96($sp)
|
||||
/* 50ac: 8fa400e0 */ lw $a0,0xe0($sp)
|
||||
/* 50b0: 93a500e7 */ lbu $a1,0xe7($sp)
|
||||
/* 50b4: 02403025 */ or $a2,$s2,$zero
|
||||
/* 50b8: 0c001469 */ jal _Genld
|
||||
/* 50bc: afb80010 */ sw $t8,0x10($sp)
|
||||
/* 50c0: 8fbf0044 */ lw $ra,0x44($sp)
|
||||
.L000050c4:
|
||||
/* 50c4: d7b40018 */ ldc1 $f20,0x18($sp)
|
||||
/* 50c8: d7b60020 */ ldc1 $f22,0x20($sp)
|
||||
/* 50cc: 8fb0002c */ lw $s0,0x2c($sp)
|
||||
/* 50d0: 8fb10030 */ lw $s1,0x30($sp)
|
||||
/* 50d4: 8fb20034 */ lw $s2,0x34($sp)
|
||||
/* 50d8: 8fb30038 */ lw $s3,0x38($sp)
|
||||
/* 50dc: 8fb4003c */ lw $s4,0x3c($sp)
|
||||
/* 50e0: 8fb50040 */ lw $s5,0x40($sp)
|
||||
/* 50e4: 03e00008 */ jr $ra
|
||||
/* 50e8: 27bd00e0 */ addiu $sp,$sp,0xe0
|
||||
);
|
||||
void _Ldtob(printf_struct *args, u8 type)
|
||||
{
|
||||
u8 buff[0x20];
|
||||
u8 *p = buff;
|
||||
f64 ldval = args->value.f64;
|
||||
f32 zero = 0.0f;
|
||||
f64 zero64 = zero;
|
||||
f32 one32;
|
||||
short err;
|
||||
short nsig;
|
||||
short exp;
|
||||
|
||||
if (args->precision < 0) {
|
||||
args->precision = 6;
|
||||
} else if (args->precision == 0 && (type == 'g' || type == 'G')) {
|
||||
args->precision = 1;
|
||||
}
|
||||
|
||||
err = _Ldunscale(&exp, args);
|
||||
|
||||
if (err > 0) {
|
||||
memcpy(args->buff, err == 2 ? "NaN" : "Inf", args->part2_len = 3);
|
||||
return;
|
||||
}
|
||||
|
||||
if (err == 0) {
|
||||
nsig = 0;
|
||||
exp = 0;
|
||||
} else {
|
||||
int i;
|
||||
int n;
|
||||
|
||||
if (ldval < zero64) {
|
||||
ldval = -ldval;
|
||||
}
|
||||
|
||||
exp = exp * 30103 / 0x000186a0 - 4;
|
||||
|
||||
if (exp < 0) {
|
||||
n = (3 - exp) & ~3;
|
||||
exp = -n;
|
||||
|
||||
for (i = 0; n > 0; n >>= 1, i++) {
|
||||
if ((n & 1) != 0) {
|
||||
ldval *= pows[i];
|
||||
}
|
||||
}
|
||||
} else if (exp > 0) {
|
||||
f64 factor;
|
||||
one32 = 1.0f;
|
||||
factor = one32;
|
||||
exp &= ~3;
|
||||
|
||||
for (n = exp, i = 0; n > 0; n >>= 1, i++) {
|
||||
if (n & 1) {
|
||||
factor *= pows[i];
|
||||
}
|
||||
}
|
||||
|
||||
ldval /= factor;
|
||||
}
|
||||
|
||||
{
|
||||
int gen = ((type == 'f') ? exp + 10 : 6) + args->precision;
|
||||
|
||||
if (gen > 0x13) {
|
||||
gen = 0x13;
|
||||
}
|
||||
|
||||
*p++ = '0';
|
||||
|
||||
while (gen > 0 && zero64 < ldval) {
|
||||
int j;
|
||||
int lo = ldval;
|
||||
|
||||
if ((gen -= 8) > 0) {
|
||||
ldval = (ldval - lo) * 1.0e8;
|
||||
}
|
||||
|
||||
p += 8;
|
||||
|
||||
for (j = 8; lo > 0 && --j >= 0;) {
|
||||
ldiv_t qr = ldiv(lo, 10);
|
||||
*--p = qr.rem + '0';
|
||||
lo = qr.quot;
|
||||
}
|
||||
|
||||
while (--j >= 0) {
|
||||
p--;
|
||||
*p = '0';
|
||||
}
|
||||
|
||||
p += 8;
|
||||
}
|
||||
|
||||
gen = p - &buff[1];
|
||||
|
||||
for (p = &buff[1], exp += 7; *p == '0'; p++) {
|
||||
--gen;
|
||||
--exp;
|
||||
}
|
||||
|
||||
nsig = ((type == 'f') ? exp + 1 : ((type == 'e' || type == 'E') ? 1 : 0)) + args->precision;
|
||||
|
||||
if (gen < nsig) {
|
||||
nsig = gen;
|
||||
}
|
||||
|
||||
if (nsig > 0) {
|
||||
u8 drop;
|
||||
int n;
|
||||
|
||||
if (nsig < gen && p[nsig] > '4') {
|
||||
drop = '9';
|
||||
} else {
|
||||
drop = '0';
|
||||
}
|
||||
|
||||
for (n = nsig; p[--n] == drop;) {
|
||||
nsig--;
|
||||
}
|
||||
|
||||
if (drop == '9') {
|
||||
p[n]++;
|
||||
}
|
||||
|
||||
if (n < 0) {
|
||||
--p, ++nsig, ++exp;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
_Genld(args, type, p, nsig, exp);
|
||||
}
|
||||
|
||||
short _Ldunscale(short *pex, printf_struct *px)
|
||||
{
|
||||
@@ -568,7 +344,3 @@ void _Genld(printf_struct *px, char code, char *p, short nsig, short xexp)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
const u32 var70052524[] = {0x00000000};
|
||||
const u32 var70052528[] = {0x4197d784};
|
||||
const u32 var7005252c[] = {0x00000000};
|
||||
|
||||
Reference in New Issue
Block a user