avoid mixed precision

c8ef · c8ef · commit 78eb98014800 · 2025-07-12T10:32:03.000+08:00
diff --git a/libc/src/math/generic/tanpif.cpp b/libc/src/math/generic/tanpif.cpp
@@ -93,8 +93,8 @@ LLVM_LIBC_FUNCTION(float, tanpif, (float x)) {
     fputil::set_errno_if_required(EDOM);
     fputil::raise_except_if_required(FE_DIVBYZERO);
 
-    int32_t x_mp5_u = static_cast<int32_t>(x - 0.5);
-    return ((x_mp5_u & 0x1) ? -1 : 1) * FPBits::inf().get_val();
+    int32_t x_mp5_i = static_cast<int32_t>(xd - 0.5);
+    return FPBits::inf((x_mp5_i & 0x1) ? Sign::NEG : Sign::POS).get_val();
   }
 
   using fputil::multiply_add;

Original file line number	Diff line number	Diff line change
`@@ -93,8 +93,8 @@ LLVM_LIBC_FUNCTION(float, tanpif, (float x)) {`
`93`	`93`	`fputil::set_errno_if_required(EDOM);`
`94`	`94`	`fputil::raise_except_if_required(FE_DIVBYZERO);`
`95`	`95`
`96`		`- int32_t x_mp5_u = static_cast<int32_t>(x - 0.5);`
`97`		`- return ((x_mp5_u & 0x1) ? -1 : 1) * FPBits::inf().get_val();`
	`96`	`+ int32_t x_mp5_i = static_cast<int32_t>(xd - 0.5);`
	`97`	`+ return FPBits::inf((x_mp5_i & 0x1) ? Sign::NEG : Sign::POS).get_val();`
`98`	`98`	`}`
`99`	`99`
`100`	`100`	`using fputil::multiply_add;`