various: use "std::abs" instead of "std::fabs"

+ better compiler compatibility
+ let the compiler figure out the actual function IO signature that
makes sense, instead of forcing float.

2 files changed, 9 insertions, 9 deletions

diff --git a/host/include/uhd/utils/fp_compare_delta.ipp b/host/include/uhd/utils/fp_compare_delta.ipp
index 95288c3ba..a9734c8c1 100644
--- a/host/include/uhd/utils/fp_compare_delta.ipp
+++ b/host/include/uhd/utils/fp_compare_delta.ipp
@@ -58,7 +58,7 @@ namespace uhd { namespace math { namespace fp_compare {
     template<typename float_t> UHD_INLINE
     bool operator==(fp_compare_delta<float_t> lhs, fp_compare_delta<float_t> rhs) {
         float_t delta = fp_compare_select_delta(lhs._delta, rhs._delta);
-        return (std::fabs(lhs._value - rhs._value) < delta);
+        return (std::abs(lhs._value - rhs._value) < delta);
     }
 
     template<typename float_t> UHD_INLINE
@@ -92,7 +92,7 @@ namespace uhd { namespace math { namespace fp_compare {
     bool operator==(fp_compare_delta<float_t> lhs, double rhs) {
         float_t delta = float_t(fp_compare_select_delta(double(lhs._delta),
                 DOUBLE_PRECISION_DELTA));
-        return (std::fabs(lhs._value - rhs) < delta);
+        return (std::abs(lhs._value - rhs) < delta);
     }
 
     template<typename float_t> UHD_INLINE
@@ -128,7 +128,7 @@ namespace uhd { namespace math { namespace fp_compare {
     bool operator==(double lhs, fp_compare_delta<float_t> rhs) {
         float_t delta = fp_compare_select_delta(DOUBLE_PRECISION_DELTA,
                 double(rhs._delta));
-        return (std::fabs(lhs - rhs._value) < delta);
+        return (std::abs(lhs - rhs._value) < delta);
     }
 
     template<typename float_t> UHD_INLINE
diff --git a/host/include/uhd/utils/fp_compare_epsilon.ipp b/host/include/uhd/utils/fp_compare_epsilon.ipp
index 0fa98de09..bbd702512 100644
--- a/host/include/uhd/utils/fp_compare_epsilon.ipp
+++ b/host/include/uhd/utils/fp_compare_epsilon.ipp
@@ -53,9 +53,9 @@ namespace uhd { namespace math { namespace fp_compare {
     template<typename float_t> UHD_INLINE
     bool operator==(fp_compare_epsilon<float_t> lhs, fp_compare_epsilon<float_t> rhs) {
 
-        bool lhs_compare = ((std::fabs(lhs._value - rhs._value) / std::fabs(lhs._value))
+        bool lhs_compare = ((std::abs(lhs._value - rhs._value) / std::abs(lhs._value))
                     <= lhs._epsilon);
-        bool rhs_compare = ((std::fabs(lhs._value - rhs._value) / std::fabs(rhs._value))
+        bool rhs_compare = ((std::abs(lhs._value - rhs._value) / std::abs(rhs._value))
                     <= rhs._epsilon);
 
         return (lhs_compare && rhs_compare);
@@ -89,9 +89,9 @@ namespace uhd { namespace math { namespace fp_compare {
     template<typename float_t> UHD_INLINE
     bool operator==(fp_compare_epsilon<float_t> lhs, double rhs) {
 
-        bool lhs_compare = ((std::fabs(lhs._value - rhs) / std::fabs(lhs._value))
+        bool lhs_compare = ((std::abs(lhs._value - rhs) / std::abs(lhs._value))
                     <= lhs._epsilon);
-        bool rhs_compare = ((std::fabs(lhs._value - rhs) / std::fabs(rhs))
+        bool rhs_compare = ((std::abs(lhs._value - rhs) / std::abs(rhs))
                     <= DOUBLE_PRECISION_EPSILON);
 
         return (lhs_compare && rhs_compare);
@@ -127,9 +127,9 @@ namespace uhd { namespace math { namespace fp_compare {
     template<typename float_t> UHD_INLINE
     bool operator==(double lhs, fp_compare_epsilon<float_t> rhs) {
 
-        bool lhs_compare = ((std::fabs(lhs - rhs._value) / std::fabs(lhs))
+        bool lhs_compare = ((std::abs(lhs - rhs._value) / std::abs(lhs))
                     <= DOUBLE_PRECISION_EPSILON);
-        bool rhs_compare = ((std::fabs(lhs - rhs._value) / std::fabs(rhs._value))
+        bool rhs_compare = ((std::abs(lhs - rhs._value) / std::abs(rhs._value))
                     <= rhs._epsilon);
 
         return (lhs_compare && rhs_compare);