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Saturation arithmetic (sub and add) was added for int32/int64.

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This commit is contained in:
Vsevolod Livinskij
2014-02-17 18:55:40 +04:00
parent 04fda2fcbe
commit f5508db24f
17 changed files with 512 additions and 0 deletions
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27
tests/padds_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_add(a_max, b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_add(a_min, -b);
}
else {
RET[programIndex] = saturating_add(a_min, 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) -2147483643;
}
}

27
tests/padds_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_add(a_max, b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_add(a_min, -b);
}
else {
RET[programIndex] = saturating_add(a_min, b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (uniform int64) 9223372036854775807;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (uniform int64) -9223372036854775808;
}
else {
RET[programIndex] = (uniform int64) -9223372036854775803;
}
}

27
tests/padds_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_add(a_max, b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_add(a_min, -b);
}
else {
RET[programIndex] = saturating_add(a_min, 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) -2147483643;
}
}

27
tests/padds_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_add(a_max, b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_add(a_min, -b);
}
else {
RET[programIndex] = saturating_add(a_min, b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (varying int64) 9223372036854775807;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (varying int64) -9223372036854775808;
}
else {
RET[programIndex] = (varying int64) -9223372036854775803;
}
}

21
tests/paddus_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_add(a_max, b);
}
else {
RET[programIndex] = saturating_add(a_min, b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 2 == 0) {
RET[programIndex] = (uniform unsigned int32) 4294967295;
}
else {
RET[programIndex] = (uniform unsigned int32) 5;
}
}

21
tests/paddus_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_add(a_max, b);
}
else {
RET[programIndex] = saturating_add(a_min, b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 2 == 0) {
RET[programIndex] = (uniform unsigned int64) 18446744073709551615;
}
else {
RET[programIndex] = (uniform unsigned int64) 5;
}
}

21
tests/paddus_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_add(a_max, b);
}
else {
RET[programIndex] = saturating_add(a_min, b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 2 == 0) {
RET[programIndex] = (varying unsigned int32) 4294967295;
}
else {
RET[programIndex] = (varying unsigned int32) 5;
}
}

21
tests/paddus_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_add(a_max, b);
}
else {
RET[programIndex] = saturating_add(a_min, b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 2 == 0) {
RET[programIndex] = (varying unsigned int64) 18446744073709551615;
}
else {
RET[programIndex] = (varying unsigned int64) 5;
}
}

27
tests/psubs_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 int32
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_sub(a_min, b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_sub(a_max, -b);
}
else {
RET[programIndex] = saturating_sub(a_max, b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (uniform int32) -2147483648;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (uniform int32) 2147483647;
}
else {
RET[programIndex] = (uniform int32) 2147483642;
}
}

27
tests/psubs_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 int64
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_sub(a_min, b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_sub(a_max, -b);
}
else {
RET[programIndex] = saturating_sub(a_max, b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (uniform int64) -9223372036854775808;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (uniform int64) 9223372036854775807;
}
else {
RET[programIndex] = (uniform int64) 9223372036854775802;
}
}

27
tests/psubs_vi32.ispc Normal file
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@@ -0,0 +1,27 @@
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 int32
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_sub(a_min, b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_sub(a_max, -b);
}
else {
RET[programIndex] = saturating_sub(a_max, b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (varying int32) -2147483648;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (varying int32) 2147483647;
}
else {
RET[programIndex] = (varying int32) 2147483642;
}
}

27
tests/psubs_vi64.ispc Normal file
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@@ -0,0 +1,27 @@
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 int64
if (programIndex % 3 == 0) {
RET[programIndex] = saturating_sub(a_min, b);
}
else if (programIndex % 3 == 1) {
RET[programIndex] = saturating_sub(a_max, -b);
}
else {
RET[programIndex] = saturating_sub(a_max, b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 3 == 0) {
RET[programIndex] = (varying int64) -9223372036854775808;
}
else if (programIndex % 3 == 1) {
RET[programIndex] = (varying int64) 9223372036854775807;
}
else {
RET[programIndex] = (varying int64) 9223372036854775802;
}
}

21
tests/psubus_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_sub(a_min, b);
}
else {
RET[programIndex] = saturating_sub(a_max, b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 2 == 0) {
RET[programIndex] = (uniform unsigned int32) 0;
}
else {
RET[programIndex] = (uniform unsigned int32) 4294967290;
}
}

21
tests/psubus_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_sub(a_min, b);
}
else {
RET[programIndex] = saturating_sub(a_max, b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 2 == 0) {
RET[programIndex] = (uniform unsigned int64) 0;
}
else {
RET[programIndex] = (uniform unsigned int64) 18446744073709551610;
}
}

21
tests/psubus_vi32.ispc Normal file
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@@ -0,0 +1,21 @@
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_sub(a_min, b);
}
else {
RET[programIndex] = saturating_sub(a_max, b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 2 == 0) {
RET[programIndex] = (varying unsigned int32) 0;
}
else {
RET[programIndex] = (varying unsigned int32) 4294967290;
}
}

21
tests/psubus_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_sub(a_min, b);
}
else {
RET[programIndex] = saturating_sub(a_max, b);
}
}
export void result(uniform float RET[]) {
if (programIndex % 2 == 0) {
RET[programIndex] = (varying unsigned int64) 0;
}
else {
RET[programIndex] = (varying unsigned int64) 18446744073709551610;
}
}