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Saturation arithmetic mul and div for int8/int16/int32 and div for int64 was added

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This commit is contained in:
Vsevolod Livinskij
2014-02-18 02:07:13 +04:00
parent f5508db24f
commit 735e6a8ab3
29 changed files with 931 additions and 0 deletions
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27
tests/pdivs_i16.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
uniform int16 a_max = 32767, a_min = -32768; // max and min signed int16
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_div(a_max, (uniform int16) b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_div(a_min, (uniform int16) b);
}
else {
RET[programIndex] = saturating_div(a_min, (uniform int16) -1);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (uniform int16) 6553.4;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (uniform int16) -6553.6;
}
else {
RET[programIndex] = (uniform int16) 32767;
}
}

27
tests/pdivs_i32.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
uniform int32 a_max = 2147483647, a_min = -2147483648; // max and min signed int32
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_div(a_max, (uniform int32) b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_div(a_min, (uniform int32) b);
}
else {
RET[programIndex] = saturating_div(a_min, (uniform int32) -1);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (uniform int32) 429496729.4;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (uniform int32) -429496729.6;
}
else {
RET[programIndex] = (uniform int32) 2147483647;
}
}

27
tests/pdivs_i64.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
uniform int64 a_max = 9223372036854775807, a_min = -9223372036854775808; // max and min signed int64
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_div(a_max, (uniform int64) b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_div(a_min, (uniform int64) b);
}
else {
RET[programIndex] = saturating_div(a_min, (uniform int64) -1);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (uniform int64) 1844674407370955161.4;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (uniform int64) -1844674407370955161.6;
}
else {
RET[programIndex] = (uniform int64) 9223372036854775807;
}
}

27
tests/pdivs_i8.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
uniform int8 a_max = 127, a_min = -128; // max and min signed int8
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_div(a_max, (uniform int8) b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_div(a_min, (uniform int8) b);
}
else {
RET[programIndex] = saturating_div(a_min, (uniform int8) -1);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (uniform int8) 25.4;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (uniform int8) -25.6;
}
else {
RET[programIndex] = (uniform int8) 127;
}
}

27
tests/pdivs_vi16.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
varying int16 a_max = 32767, a_min = -32768; // max and min signed int16
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_div(a_max, (varying int16) b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_div(a_min, (varying int16) b);
}
else {
RET[programIndex] = saturating_div(a_min, (varying int16) -1);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (varying int16) 6553.4;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (varying int16) -6553.6;
}
else {
RET[programIndex] = (varying int16) 32767;
}
}

27
tests/pdivs_vi32.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
varying int32 a_max = 2147483647, a_min = -2147483648; // max and min signed int32
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_div(a_max, (varying int32) b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_div(a_min, (varying int32) b);
}
else {
RET[programIndex] = saturating_div(a_min, (varying int32) -1);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (varying int32) 429496729.4;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (varying int32) -429496729.6;
}
else {
RET[programIndex] = (varying int32) 2147483647;
}
}

27
tests/pdivs_vi64.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
varying int64 a_max = 9223372036854775807, a_min = -9223372036854775808; // max and min signed int64
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_div(a_max, (varying int64) b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_div(a_min, (varying int64) b);
}
else {
RET[programIndex] = saturating_div(a_min, (varying int64) -1);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (varying int64) 1844674407370955161.4;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (varying int64) -1844674407370955161.6;
}
else {
RET[programIndex] = (varying int64) 9223372036854775807;
}
}

27
tests/pdivs_vi8.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
varying int8 a_max = 127, a_min = -128; // max and min signed int8
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_div(a_max, (varying int8) b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_div(a_min, (varying int8) b);
}
else {
RET[programIndex] = saturating_div(a_min, (varying int8) -1);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (varying int8) 25.4;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (varying int8) -25.6;
}
else {
RET[programIndex] = (varying int8) 127;
}
}

21
tests/pdivus_i16.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
uniform unsigned int16 a_max = 65535, a_min = 0; // max and min unsigned int16
if (programIndex % 2 == 0) {
RET[programIndex] = saturating_div(a_min, (uniform unsigned int16) b);
}
else {
RET[programIndex] = saturating_div(a_max, (uniform unsigned int16) b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 2 == 0) {
RET[programIndex] = (uniform unsigned int16) 0;
}
else {
RET[programIndex] = (uniform unsigned int16) 13107;
}
}

21
tests/pdivus_i32.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
uniform unsigned int32 a_max = 4294967295, a_min = 0; // max and min unsigned int32
if (programIndex % 2 == 0) {
RET[programIndex] = saturating_div(a_min, (uniform unsigned int32) b);
}
else {
RET[programIndex] = saturating_div(a_max, (uniform unsigned int32) b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 2 == 0) {
RET[programIndex] = (uniform unsigned int32) 0;
}
else {
RET[programIndex] = (uniform unsigned int32) 858993459;
}
}

21
tests/pdivus_i64.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
uniform unsigned int64 a_max = 18446744073709551615, a_min = 0; // max and min unsigned int64
if (programIndex % 2 == 0) {
RET[programIndex] = saturating_div(a_min, (uniform unsigned int64) b);
}
else {
RET[programIndex] = saturating_div(a_max, (uniform unsigned int64) b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 2 == 0) {
RET[programIndex] = (uniform unsigned int64) 0;
}
else {
RET[programIndex] = (uniform unsigned int64) 3689348814741910323;
}
}

21
tests/pdivus_i8.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
uniform unsigned int8 a_max = 255, a_min = 0; // max and min unsigned int8
if (programIndex % 2 == 0) {
RET[programIndex] = saturating_div(a_min, (uniform unsigned int8) b);
}
else {
RET[programIndex] = saturating_div(a_max, (uniform unsigned int8) b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 2 == 0) {
RET[programIndex] = (uniform unsigned int8) 0;
}
else {
RET[programIndex] = (uniform unsigned int8) 51;
}
}

21
tests/pdivus_vi16.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
varying unsigned int16 a_max = 65535, a_min = 0; // max and min unsigned int16
if (programIndex % 2 == 0) {
RET[programIndex] = saturating_div(a_min, (varying unsigned int16) b);
}
else {
RET[programIndex] = saturating_div(a_max, (varying unsigned int16) b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 2 == 0) {
RET[programIndex] = (varying unsigned int16) 0;
}
else {
RET[programIndex] = (varying unsigned int16) 13107;
}
}

21
tests/pdivus_vi32.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
varying unsigned int32 a_max = 4294967295, a_min = 0; // max and min unsigned int32
if (programIndex % 2 == 0) {
RET[programIndex] = saturating_div(a_min, (varying unsigned int32) b);
}
else {
RET[programIndex] = saturating_div(a_max, (varying unsigned int32) b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 2 == 0) {
RET[programIndex] = (varying unsigned int32) 0;
}
else {
RET[programIndex] = (varying unsigned int32) 858993459;
}
}

21
tests/pdivus_vi64.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
varying unsigned int64 a_max = 18446744073709551615, a_min = 0; // max and min unsigned int64
if (programIndex % 2 == 0) {
RET[programIndex] = saturating_div(a_min, (varying unsigned int64) b);
}
else {
RET[programIndex] = saturating_div(a_max, (varying unsigned int64) b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 2 == 0) {
RET[programIndex] = (varying unsigned int64) 0;
}
else {
RET[programIndex] = (varying unsigned int64) 3689348814741910323;
}
}

21
tests/pdivus_vi8.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
varying unsigned int8 a_max = 255, a_min = 0; // max and min unsigned int8
if (programIndex % 2 == 0) {
RET[programIndex] = saturating_div(a_min, (varying unsigned int8) b);
}
else {
RET[programIndex] = saturating_div(a_max, (varying unsigned int8) b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 2 == 0) {
RET[programIndex] = (varying unsigned int8) 0;
}
else {
RET[programIndex] = (varying unsigned int8) 51;
}
}

28
tests/pmuls_i16.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
uniform int16 a_max = 32767, a_min = -32768; // max and min signed int16
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_mul(a_max, (uniform int16) b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_mul(a_min, (uniform int16) b);
}
else {
RET[programIndex] = saturating_mul((uniform int16) b,
(uniform int16) b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (uniform int16) 32767;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (uniform int16) -32768;
}
else {
RET[programIndex] = (uniform int16) 25;
}
}

28
tests/pmuls_i32.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
uniform int32 a_max = 2147483647, a_min = -2147483648; // max and min signed int32
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_mul(a_max, (uniform int32) b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_mul(a_min, (uniform int32) b);
}
else {
RET[programIndex] = saturating_mul((uniform int32) b,
(uniform int32) b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (uniform int32) 2147483647;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (uniform int32) -2147483648;
}
else {
RET[programIndex] = (uniform int32) 25;
}
}

29
tests/pmuls_i8.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
uniform int8 a_max = 127, a_min = -128; // max and min signed int8
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_mul(a_max, (uniform int8) b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_mul(a_min, (uniform int8) b);
}
else {
RET[programIndex] = saturating_mul((uniform int8) b,
(uniform int8) b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (uniform int8) 127;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (uniform int8) -128;
}
else {
RET[programIndex] = (uniform int8) 25;
}
}

28
tests/pmuls_vi16.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
varying int16 a_max = 32767, a_min = -32768; // max and min signed int16
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_mul(a_max, (varying int16) b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_mul(a_min, (varying int16) b);
}
else {
RET[programIndex] = saturating_mul((varying int16) b,
(varying int16) b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (varying int16) 32767;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (varying int16) -32768;
}
else {
RET[programIndex] = (varying int16) 25;
}
}

28
tests/pmuls_vi32.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
varying int32 a_max = 2147483647, a_min = -2147483648; // max and min signed int32
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_mul(a_max, (varying int32) b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_mul(a_min, (varying int32) b);
}
else {
RET[programIndex] = saturating_mul((varying int32) b,
(varying int32) b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (varying int32) 2147483647;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (varying int32) -2147483648;
}
else {
RET[programIndex] = (varying int32) 25;
}
}

28
tests/pmuls_vi8.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
varying int8 a_max = 127, a_min = -128; // max and min signed int8
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_mul(a_max, (varying int8) b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_mul(a_min, (varying int8) b);
}
else {
RET[programIndex] = saturating_mul((varying int8) b,
(varying int8) b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (varying int8) 127;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (varying int8) -128;
}
else {
RET[programIndex] = (varying int8) 25;
}
}

28
tests/pmulus_i16.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
uniform unsigned int16 a_max = 65535, a_min = 0; // max and min unsigned int16
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_mul(a_max, (uniform unsigned int16) b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_mul(a_min, (uniform unsigned int16) -b);
}
else {
RET[programIndex] = saturating_mul((uniform unsigned int16) b,
(uniform unsigned int16) b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (uniform unsigned int16) 65535;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (uniform unsigned int16) 0;
}
else {
RET[programIndex] = (uniform unsigned int16) 25;
}
}

28
tests/pmulus_i32.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
uniform unsigned int32 a_max = 4294967295, a_min = 0; // max and min unsigned int32
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_mul(a_max, (uniform unsigned int32) b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_mul(a_min, (uniform unsigned int32) -b);
}
else {
RET[programIndex] = saturating_mul((uniform unsigned int32) b,
(uniform unsigned int32) b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (uniform unsigned int32) 4294967295;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (uniform unsigned int32) 0;
}
else {
RET[programIndex] = (uniform unsigned int32) 25;
}
}

28
tests/pmulus_i8.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
uniform unsigned int8 a_max = 255, a_min = 0; // max and min unsigned int8
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_mul(a_max, (uniform unsigned int8) b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_mul(a_min, (uniform unsigned int8) -b);
}
else {
RET[programIndex] = saturating_mul((uniform unsigned int8) b,
(uniform unsigned int8) b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (uniform unsigned int8) 255;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (uniform unsigned int8) 0;
}
else {
RET[programIndex] = (uniform unsigned int8) 25;
}
}

28
tests/pmulus_vi16.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
varying unsigned int16 a_max = 65535, a_min = 0; // max and min unsigned int16
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_mul(a_max, (varying unsigned int16) b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_mul(a_min, (varying unsigned int16) -b);
}
else {
RET[programIndex] = saturating_mul((varying unsigned int16) b,
(varying unsigned int16) b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (varying unsigned int16) 65535;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (varying unsigned int16) 0;
}
else {
RET[programIndex] = (varying unsigned int16) 25;
}
}

28
tests/pmulus_vi32.ispc Normal file
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export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
varying unsigned int32 a_max = 4294967295, a_min = 0; // max and min unsigned int32
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_mul(a_max, (varying unsigned int32) b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_mul(a_min, (varying unsigned int32) -b);
}
else {
RET[programIndex] = saturating_mul((varying unsigned int32) b,
(varying unsigned int32) b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (varying unsigned int32) 4294967295;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (varying unsigned int32) 0;
}
else {
RET[programIndex] = (varying unsigned int32) 25;
}
}

28
tests/pmulus_vi8.ispc Normal file
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@@ -0,0 +1,28 @@
export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
varying unsigned int8 a_max = 255, a_min = 0; // max and min unsigned int8
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_mul(a_max, (varying unsigned int8) b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_mul(a_min, (varying unsigned int8) -b);
}
else {
RET[programIndex] = saturating_mul((varying unsigned int8) b,
(varying unsigned int8) b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (varying unsigned int8) 255;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (varying unsigned int8) 0;
}
else {
RET[programIndex] = (varying unsigned int8) 25;
}
}