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gallium/util: reindent u_half.c and u_half.h with Mesa coding style

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Sorry, forgout about that.
This commit is contained in:
Luca Barbieri
2010-04-02 00:39:08 +02:00
parent 7bb54c99a4
commit 6c5f444f59
2 changed files with 92 additions and 87 deletions
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src/gallium/auxiliary/util/u_half.c
+81 -74
View File
@@ -1,3 +1,4 @@
/*
* Copyright 2010 Luca Barbieri
*
@@ -58,101 +59,107 @@ uint32_t util_half_to_float_offset_table[64];
uint16_t util_float_to_half_base_table[512];
uint8_t util_float_to_half_shift_table[512];
static void util_half_init_tables(void)
static void
util_half_init_tables(void)
{
int i;
int i;
/* zero */
util_half_to_float_mantissa_table[0] = 0;
/* zero */
util_half_to_float_mantissa_table[0] = 0;
/* denormals */
for(i = 1; i < 1024; ++i) {
unsigned int m = i << 13;
unsigned int e = 0;
/* denormals */
for(i = 1; i < 1024; ++i)
{
unsigned int m = i << 13;
unsigned int e = 0;
/* Normalize number */
while(!(m & 0x00800000)) {
e -= 0x00800000;
m<<=1;
}
m &= ~0x00800000;
e+= 0x38800000;
util_half_to_float_mantissa_table[i] = m | e;
}
/* Normalize number */
while(!(m & 0x00800000))
{
e -= 0x00800000;
m <<= 1;
}
m &= ~0x00800000;
e += 0x38800000;
util_half_to_float_mantissa_table[i] = m | e;
}
/* normals */
for(i = 1024; i < 2048; ++i)
util_half_to_float_mantissa_table[i] = ((i-1024)<<13);
/* normals */
for(i = 1024; i < 2048; ++i)
util_half_to_float_mantissa_table[i] = ((i - 1024) << 13);
/* positive zero or denormals */
util_half_to_float_exponent_table[0] = 0;
/* positive zero or denormals */
util_half_to_float_exponent_table[0] = 0;
/* positive numbers */
for(i = 1; i <= 30; ++i)
util_half_to_float_exponent_table[i] = 0x38000000 + (i << 23);
/* positive numbers */
for(i = 1; i <= 30; ++i)
util_half_to_float_exponent_table[i] = 0x38000000 + (i << 23);
/* positive infinity/NaN */
util_half_to_float_exponent_table[31] = 0x7f800000;
/* positive infinity/NaN */
util_half_to_float_exponent_table[31] = 0x7f800000;
/* negative zero or denormals */
util_half_to_float_exponent_table[32] = 0x80000000;
/* negative zero or denormals */
util_half_to_float_exponent_table[32] = 0x80000000;
/* negative numbers */
for(i = 33; i <= 62; ++i)
util_half_to_float_exponent_table[i] = 0xb8000000 + ((i - 32) << 23);
/* negative numbers */
for(i = 33; i <= 62; ++i)
util_half_to_float_exponent_table[i] = 0xb8000000 + ((i - 32) << 23);
/* negative infinity/NaN */
util_half_to_float_exponent_table[63] = 0xff800000;
/* negative infinity/NaN */
util_half_to_float_exponent_table[63] = 0xff800000;
/* positive zero or denormals */
util_half_to_float_offset_table[0] = 0;
/* positive zero or denormals */
util_half_to_float_offset_table[0] = 0;
/* positive normals */
for(i = 1; i < 32; ++i)
util_half_to_float_offset_table[i] = 1024;
/* positive normals */
for(i = 1; i < 32; ++i)
util_half_to_float_offset_table[i] = 1024;
/* negative zero or denormals */
util_half_to_float_offset_table[32] = 0;
/* negative zero or denormals */
util_half_to_float_offset_table[32] = 0;
/* negative normals */
for(i = 33; i < 64; ++i)
util_half_to_float_offset_table[i] = 1024;
/* negative normals */
for(i = 33; i < 64; ++i)
util_half_to_float_offset_table[i] = 1024;
/* very small numbers mapping to zero */
for(i = -127; i < -24; ++i)
{
util_float_to_half_base_table[127 + i] = 0;
util_float_to_half_shift_table[127 + i] = 24;
}
/* small numbers mapping to denormals */
for(i = -24; i < -14; ++i)
{
util_float_to_half_base_table[127 + i] = 0x0400 >> (-14 - i);
util_float_to_half_shift_table[127 + i] = -i - 1;
}
/* very small numbers mapping to zero */
for(i = -127; i < -24; ++i) {
util_float_to_half_base_table[127 + i] = 0;
util_float_to_half_shift_table[127 + i] = 24;
}
/* normal numbers */
for(i = -14; i < 16; ++i)
{
util_float_to_half_base_table[127 + i] = (i + 15) << 10;
util_float_to_half_shift_table[127 + i] = 13;
}
/* small numbers mapping to denormals */
for(i = -24; i < -14; ++i) {
util_float_to_half_base_table[127 + i] = 0x0400 >> (-14 - i);
util_float_to_half_shift_table[127 + i] = -i - 1;
}
/* large numbers mapping to infinity */
for(i = 16; i < 128; ++i)
{
util_float_to_half_base_table[127 + i] = 0x7c00;
util_float_to_half_shift_table[127 + i] = 24;
}
/* normal numbers */
for(i = -14; i < 16; ++i) {
util_float_to_half_base_table[127 + i] = (i + 15) << 10;
util_float_to_half_shift_table[127 + i] = 13;
}
/* infinity and NaNs */
util_float_to_half_base_table[255] = 0x7c00;
util_float_to_half_shift_table[255] = 13;
/* large numbers mapping to infinity */
for(i = 16; i < 128; ++i) {
util_float_to_half_base_table[127 + i] = 0x7c00;
util_float_to_half_shift_table[127 + i] = 24;
}
/* infinity and NaNs */
util_float_to_half_base_table[255] = 0x7c00;
util_float_to_half_shift_table[255] = 13;
/* negative numbers */
for(i = 0; i < 256; ++i) {
util_float_to_half_base_table[256 + i] = util_float_to_half_base_table[i] | 0x8000;
util_float_to_half_shift_table[256 + i] = util_float_to_half_shift_table[i];
}
/* negative numbers */
for(i = 0; i < 256; ++i)
{
util_float_to_half_base_table[256 + i] = util_float_to_half_base_table[i] | 0x8000;
util_float_to_half_shift_table[256 + i] = util_float_to_half_shift_table[i];
}
}
UTIL_INIT(util_half_init_tables);
src/gallium/auxiliary/util/u_half.h
+11 -13
View File
@@ -8,7 +8,6 @@
extern "C" {
#endif
extern uint32_t util_half_to_float_mantissa_table[2048];
extern uint32_t util_half_to_float_exponent_table[64];
extern uint32_t util_half_to_float_offset_table[64];
@@ -29,33 +28,31 @@ extern uint8_t util_float_to_half_shift_table[512];
static INLINE uint32_t
util_half_to_floatui(half h)
{
unsigned exp = h >> 10;
return util_half_to_float_mantissa_table[util_half_to_float_offset_table[exp] + (h & 0x3ff)]
+ util_half_to_float_exponent_table[exp];
unsigned exp = h >> 10;
return util_half_to_float_mantissa_table[util_half_to_float_offset_table[exp] + (h & 0x3ff)] + util_half_to_float_exponent_table[exp];
}
static INLINE float
util_half_to_float(half h)
{
union fi r;
r.ui = util_half_to_floatui(h);
return r.f;
union fi r;
r.ui = util_half_to_floatui(h);
return r.f;
}
static INLINE half
util_floatui_to_half(uint32_t v)
{
unsigned signexp = v >> 23;
return util_float_to_half_base_table[signexp]
+ ((v & 0x007fffff) >> util_float_to_half_shift_table[signexp]);
unsigned signexp = v >> 23;
return util_float_to_half_base_table[signexp] + ((v & 0x007fffff) >> util_float_to_half_shift_table[signexp]);
}
static INLINE half
util_float_to_half(float f)
{
union fi i;
i.f = f;
return util_floatui_to_half(i.ui);
union fi i;
i.f = f;
return util_floatui_to_half(i.ui);
}
#ifdef __cplusplus
@@ -63,3 +60,4 @@ util_float_to_half(float f)
#endif
#endif /* U_HALF_H */